package org.mobile.servlets;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.mobile.beans.User;
import org.mobile.logic.UserLogic;

/**
 * Servlet implementation class GetUsers
 */
@WebServlet(name = "getUsers", urlPatterns = { "/getUsers" })
public class GetUsers extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public GetUsers() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		if(request.getSession().getAttribute("users") == null){  
			List<User> userList= UserLogic.getInstance().getUsers();
			if(userList != null){
				request.getSession().setAttribute("users", userList);
				
			}
			else{
				request.setAttribute("error", "Błąd pobierania użytkowników!");
				request.getRequestDispatcher("errPage.jsp").forward(request, response);
			}
				
		}
		response.sendRedirect("users.jsp");
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
	}

}
